NOAA S-57 chart cell
Atlantic Intracoastal Waterway - Buttermilk Sound to Mackay River and South Altamaha River
US5GA1BD
- Usage band
- Harbor · code 5
- Current edition
- 1.0
- Features
- 592
- S-57 layers
- 32
- Published
- Oct 15, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 31.35000° N
- South
- 31.27500° N
- West
- 81.45000° W
- East
- 81.37500° W
- Center
- 31.31250° N, 81.41250° W
- Bounds area
- 17 sq nm
- Feature density
- 34.1725 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 18.5
- Smallest layer
- 1
- Largest layer
- 114
- Area sq km
- 59
- Features per sq km
- 9.9631
- DEPCNT Depth contour 114
- DEPARE Depth area 112
- COALNE Coastline 96
- LNDRGN Land region 42
- RIVERS River 38
- LNDARE Land area 34
- BCNLAT Lateral beacon 23
- DAYMAR 23
- SBDARE Seabed area 17
- SEAARE Sea area 17
- SLCONS Shoreline construction 12
- RETRFL 11
- M_QUAL Data quality 7
- LAKARE 6
- LIGHTS Light 6
- SOUNDG Sounding 6
- CBLOHD 5
- CTNARE Caution area 5
- PILPNT 3
- BRIDGE 2
Nearby Chart Cells
Harbor usage band
Current Edition Files
The NOAA ZIP archive is the upstream source for this chart cell; the other files are Open Ships generated derivatives for web and GIS use.
- Original NOAA ZIP archive https://www.charts.noaa.gov/ENCs/US5GA1BD.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5GA1BD/1.0/US5GA1BD.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5GA1BD/1.0/US5GA1BD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5GA1BD/1.0/US5GA1BD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5GA1BD/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Oct 15, 2024 | metadata.json |